It has become an increasingly important tool for advertisers and content creators - 2.45 billion content items and 2.7 billion Likes are shared every day on Facebook.

More and more users are accessing Facebook on the go - 600 million use the social network on their mobiles at least once a month and the site can be reached on more than 7,000 different types of mobile devices.

And it is increasingly becoming a platform for other uses - more than nine million apps and websites are integrated with Facebook.